# Shadowlink + vs Gaintron

The clearest difference is ads: Gaintron at none against Shadowlink +'s shown. Shadowlink +'s advantage is iOS requirement (11.0 vs 16.6). On price, update cadence, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on October 9, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | Shadowlink + | Gaintron |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (11 ratings)](https://appshunter.io/ios/app/shadowlink-plus/id6468947386/reviews)** | — |
| Number of ratings | **11** | — |
| Positive reviews | 64.3% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Monetization | Ad-supported | — |
| Size | 12 MB | 36 MB |
| Requires iOS | **11.0** | 16.6 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [威震 刘](https://appshunter.io/developer/1710464038) | [Shanghai Jeatron Technology Co., Ltd.](https://appshunter.io/developer/6794250604) |

## What reviewers say

### Shadowlink +

[App page](https://appshunter.io/ios/app/shadowlink-plus/id6468947386)

This tool helps you test your network speeds and manage your online accounts securely. It provides accurate measurements for Wi-Fi, 3G, 4G, and 5G connections, along with a centralized platform for organizing login credentials.

**Highlights:** Accurate network speed testing, Upload and download speed analysis, Latency measurement, Secure account management, Password and credential organization, Cross-platform compatibility

**Features:** macOS Compatibility

**In-app purchases:** none


### Gaintron

[App page](https://appshunter.io/ios/app/gaintron/id6804551898)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Shadowlink + free?

Shadowlink + is free to download, with no in-app purchases.

### Is Gaintron free?

Gaintron is free to download, with no in-app purchases.

### Do Shadowlink + or Gaintron have ads?

Shadowlink + shows ads; Gaintron does not.

### Which is updated more often, Shadowlink + or Gaintron?

Shadowlink + ships an update every 3 weeks, and Gaintron every 3 weeks. Most recently, Shadowlink + was updated on October 9, 2026 and Gaintron on October 11, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*